/* 九宫格弹窗：深色模糊遮罩 + 4 列应用图标 + 底部关闭按钮（对齐 huangguocg.com） */
.nine-grid-mask {
    position: fixed;
    inset: 0;
    z-index: 1900;
    padding: 40px 24px;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.85);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-sizing: border-box;
}

.nine-grid-mask.is-open {
    display: flex;
}

.nine-grid-panel {
    width: min(520px, 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.nine-grid-list {
    width: 100%;
    max-height: 70vh;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px 24px;
    overflow-y: auto;
    overscroll-behavior: contain;
}

.nine-grid-item {
    min-width: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: #fff;
    text-decoration: none;
}

.nine-grid-item[hidden] {
    display: none;
}

.nine-grid-icon {
    width: 100%;
    max-width: 80px;
    aspect-ratio: 1;
    display: block;
    object-fit: cover;
    border-radius: 18px;
}

.nine-grid-name {
    max-width: 100%;
    overflow: hidden;
    font-size: 15px;
    line-height: 22px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.nine-grid-close {
    width: 36px;
    height: 36px;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 50%;
    cursor: pointer;
}

.nine-grid-close img {
    width: 100%;
    height: 100%;
    display: block;
}

@media (max-width: 767px) {
    .nine-grid-panel {
        width: min(360px, 100%);
    }

    .nine-grid-list {
        gap: 20px 12px;
    }

    .nine-grid-icon {
        max-width: 70px;
        border-radius: 16px;
    }

    .nine-grid-name {
        font-size: 13px;
        line-height: 18px;
    }
}